Internal pile guide for docks



FIG. 1 is a top perspective view of an internal pile guide for docks showing the new design;

FIG. 2 is a bottom perspective view showing the internal pile guide for docks;

FIG. 3 is a top plan view showing the internal pile guide for docks; the bottom of the internal pile guide for docks is identical in appearance; and,

FIG. 4 is a front elevation showing the internal pile guide for docks; the rear elevation, right side and left side of the internal pile guide for docks are identical in appearance to the front elevation. 

CLAIM The ornamental design for an internal pile guide for docks, as shown and described. 